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Dynamic Forms
Learn how to add fields to a form dynamically using another form, complete with custom field types. It's fieldception!
(14 minutes)
OmniAuth Identity
With the release of OmniAuth 1.0 there is a new Identity strategy which allows users to register/login with a password if they don't want to use an external provider.
(11 minutes)
Advanced Search Form (revised)
It is often best to use a GET request when submitting a search form, however if it is an advanced search form with a lot of fields then this may not be ideal. Here I show how to create a search resource to handle this.
(6 minutes)
Nested Model Form Part 1
Handling multiple models in a single form is much easier with the accepts_nested_attributes_for method. See how to use this method to handle nested model fields.
(11 minutes)
Validations in Rails 3
Rails 3 offers several new additions to validations. Here learn how to make a custom error_messages partial, reflect on validations, and clean up complex validations in a model.
(9 minutes)
Formtastic Part 1
Formtastic is a concise way to generate form views. In this episode (part 1 of 2) I show how to generate both a simple form and a more complex one which is customized with options.
(10 minutes)
Formtastic Part 2
Learn about some of the more advanced functionality of Formtastic including handling many-to-many associations, required fields, and styling.
(9 minutes)
More on Virtual Attributes
Use a virtual attribute to implement a simple tagging feature. In this episode I show you how to assign virtual attributes through a callback instead of a setter method.
(7 minutes)